Home / 11,551,181.20-17,326,771.80-7,968,000.40

Finding the Fourth Proportional to 11,551,181.20, 17,326,771.80 and 7,968,000.40

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Solution

The fourth proportional to 11,551,181.20, 17,326,771.80 and 7,968,000.40 is: 11,952,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551,181.20 : 17,326,771.80 = 7,968,000.40 : x
  2. Step 2: Convert to fraction form
    11,551,181.20/17,326,771.80 = 7,968,000.40/x
  3. Step 3: Cross multiply
    11,551,181.20x = 17,326,771.80 × 7,968,000.40
  4. Step 4: Simplify right side
    11,551,181.20x = 138,059,724,633,108.73
  5. Step 5: Solve for x
    x = 138,059,724,633,108.73/11,551,181.20
  6. Step 6: Final answer
    x = 11,952,000.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.